BlockBeats News, December 13, the U.S. Office of the Comptroller of the Currency conditionally approved Ripple National Trust Bank's application.Ripple National Trust Bank is a proposed national trust bank under Ripple Labs Inc., focusing on trust and custody services to support Ripple's digital asset business, particularly the issuance, management, and custody of its US dollar-pegged stablecoin, RLUSD (Ripple USD).